Specifications

Ultra Series
Hybrid
Tank-Tankless
RUR Models RUC Models RU Models
Model
RUR98i RUR98e RUC98i RUC90i
RUC80i RU98e RU90e RU80e RH180
Dimensions in Inches (w, h, d)
18.5 x 26 x 10 18.5 x 26 x 10 18.5 x 26 x 10 18.5 x 26 x 10
18.5 x 26 x 10 18.5 x 26 x 10 18.5 x 26 x 10 18.5 x 26 x 10 20w x 51.2h x 27.5d
Weight (lbs / kg)
72.8 / 33 72.8 / 33 61.7 / 28.0 61.7 / 28.0
61.7 / 28.0 61.7 / 28.0 61.7 / 28.0 61.7 / 28.0 168.5 / 68
Installation Type
Indoor Outdoor Indoor Indoor
Indoor Outdoor Outdoor Outdoor
Indoor,
Residential Only
Min./Max. BTU (natural gas)
15,200/199,000 15,200/199,000 15,200/199,000 15,200/180,000
15,200/152,000 15,200/199,000 15,200/180,000 15,200/152,000 59,500/91,300
Min./Max. BTU (propane)
15,200/199,000 15,200/199,000 15,200/199,000 15,200/180,000
15,200/152,000 15,200/199,000 15,200/180,000 15,200/152,000 4 7, 6 0 0 / 8 7, 3 0 0
Energy Factor
0.95 0.95 0.95 0.96
0.96 0.95 0.96 0.96 80% Thermal Efficiency
Temp. Range Residential*
98°–140° F 98°–140° F 98°–140° F 98°–140° F
98°–140° F 98°–140° F 98°–140° F 98º–140º F 110º F - 140º F (5 set points)
Temp. Range Commercial
†
98°–140° F 98°–140° F 98°–185° F 98°–185° F 98°–185° F 98°–185° F 98°–185° F 98º–185º F Residential Only
Min. Activation Rate
0.4 gpm 0.4 gpm 0.4 gpm 0.4 gpm
0.4 gpm 0.4 gpm 0.4 gpm 0.4 gpm N/A
Flow Rate
(70° / 50° Temp. Rise)
5.5 / 7.7 5.5 / 7.7 5.4 / 7.6 5.0 / 7.0
4.2 / 5.9 5.4 / 7.6 5.0 / 7.0 4.2 / 5.9 N/A
Hot Water Flow Rate Range
0.26–9.8 gpm 0.26–9.8 gpm 0.26–9.8 gpm 0.26–9.0 gpm
0.26–8.0 gpm 0.26–9.8 gpm 0.26–9.0 gpm 0.26–8.0 gpm First Hour Rating: 180 gph
‡
Controller (standard)
§
MC-195T-US MC-195T-US MC-91-2US MC-91-2US MC-91-2US MC-91-2US MC-91-2US MC-91-2US Integrated
Controllers (optional)
§
*
MC-91-2US MC-91-2US
MC-195T-US, MC-100V-1US,
BC-100V-1US, MCC-91-2US
MC-195T-US, MC-100V-1US,
BC-100V-1US, MCC-91-2US
MC-195T-US, MC-100V-1US,
BC-100V-1US, MCC-91-2US
MC-195T-US, MC-100V-1US,
BC-100V-1US, MCC-91-2US
MC-195T-US, MC-100V-1US,
BC-100V-1US, MCC-91-2US
MC-195T-US, MC-100V-1US,
BC-100V-1US, MCC-91-2US
—
Ultra Low NOx
yes yes yes yes
yes yes yes yes no
Warranty
(Residential)
Limited 12-year on heat exchanger, 5-year on parts,
1-year on labor (5-year optional on labor)
Limited 12-year on heat exchanger, 5-year on parts,
1-year on labor (5-year optional on labor)
HEX 10 yrs; tank 6 yrs;
parts 3 yrs; labor 1 yr
Warranty
(Commercial)
Limited 5-year on heat exchanger, 5-year on parts,
1-year on labor (2-year optional on labor)
Limited 5-year on heat exchanger, 5-year on parts,
1-year on labor (2-year optional on labor)
Residential Only
Circ-Logic Compatible (S/N)
FL.BA-038396 FL.BA-038405 DB.BA - 006175 FL .B A - 0374 62
DB.BA- 006201 DB.BA- 006213 FL.BA - 037462 DB.BA - 006195 N/A
Circ-Logic Compatible (P/N)**
REU-KBP3237FFUD REU-KBP3237WD-US REU-KB3237FFUD-US REU-KBD2934FFUD-US
REU-KB2530FFUD-US REU-KB3237WD-US REU-KBD2934FFUD-US REU-KB2530WD-US N/A
Mobile Home Certified
yes yes yes yes
yes yes yes yes —
Valves Shipped in Box
yes yes yes yes
yes yes yes yes N/A
High Altitude Approved
Up to 10,200 ft.
Up to 10,200 ft. Up to 5,400 ft.
Certifications
AHRI, CSA, NSF,
ENERGY STAR
®
AHRI, CSA, NSF,
ENERGY STAR
®
AHRI, CSA, NSF,
ENERGY STAR
®
AHRI, CSA, NSF,
ENERGY STAR
®
AHRI, CSA, NSF,
ENERGY STAR
®
AHRI, CSA, NSF,
ENERGY STAR
®
AHRI, CSA, NSF,
ENERGY STAR
®
AHRI, CSA, NSF,
ENERGY STAR
®
CSA
Venting Options
Concentric or
PVC / CPVC
N/A
Concentric or
PVC / CPVC
Concentric or
PVC / CPVC
Concentric or
PVC / CPVC
N/A N/A N/A 4" UL Listed B-Vent
TRS Compatible
no no yes no
no yes no no no
½” Gas Line Compatible***
yes yes yes yes
yes yes yes yes yes
19
§
MC-91-2 controllers are backwards compatible with previous water heaters. Note: RH180 electrical requirements: AC 120 Volts -
60 Hz, suppied with 6-foot plug-in power cord.
‡
Based on DOE first hour test (IOCFR, Part 430).
** Ultra Series Models (KB) – Circ-Logic availability beginning April 2012. KB models with serial numbers higher than those listed will
ship with Circ-Logic installed. Lower serial numbers do not have Circ-Logic.
***See page 23 in this brochure for complete installation parameters.
CONDENSING TANKLESS WATER HEATERS & RH180 HYBRID TANK - TANKLESS WATER HEATER MODEL CHART AND SPECIFICATIONS.